Osaka, Japan

Koichi Yamaguchi

This inventor holds 3 USPTO granted patents and 1 EPO patent. Top assignees: Dic Corporation, Dainippon Ink and Chemicals, Incorporated. Active years: 2005-2018.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Koichi Yamaguchi. Retrieved from https://idiyas.com/inventor/koichi-yamaguchi-ujb2fjjh

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Calculating rank

% Patents Active = 66.7


Average Co-Inventor Count = 4.3

ph-index = 1

Forward Citations = 3(Granted Patents)


Location History:

  • Osaka, JP (2005 - 2011)
  • Chiba, JP (2018)

Company Filing History:


Years Active: 2005-2018

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3 patents (USPTO):Explore Patents

Title: Koichi Yamaguchi: Innovator in Active Energy Ray-Curable Compositions

Introduction

Koichi Yamaguchi is a notable inventor based in Osaka, Japan. He has made significant contributions to the field of active energy ray-curable compositions, with a total of 3 patents to his name. His work focuses on developing materials that enhance printability and curability in various applications.

Latest Patents

Yamaguchi's latest patents include an active energy ray-curable composition, an active energy ray-curable printing ink utilizing the same, and printed matter. The active energy ray-curable composition he developed exhibits high curability and excellent offset printability when used for printing inks. This composition includes a urethane (meth)acrylate resin and a polymerization initiator, designed to optimize the ratio of hydroxyl groups to isocyanate groups. Additionally, he has created a powder coating composition that features an epoxy group-containing vinyl copolymer, which is capable of forming a coating film with outstanding external appearance and scratch resistance.

Career Highlights

Throughout his career, Yamaguchi has worked with prominent companies such as Dic Corporation and Dainippon Ink and Chemicals, Incorporated. His experience in these organizations has allowed him to refine his expertise in the development of innovative materials.

Collaborations

Yamaguchi has collaborated with notable coworkers, including Naoyuki Seike and Tetsuro Agawa. These partnerships have contributed to the advancement of his research and the successful development of his patented technologies.

Conclusion

Koichi Yamaguchi is a distinguished inventor whose work in active energy ray-curable compositions has made a significant impact in the field. His innovative patents and collaborations highlight his commitment to advancing technology in printing and coating applications.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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